According to the National Civil Aviation Agency of Brazil (ANAC), between January and December 2012 TAM had 40.79% of the domestic and 89.44% of the international market shares in terms of passengers per kilometre flown.[10] Starting September 2010 statistics refer to the totality of TAM Group, comprising TAM Airlines and TAM (Paraguay)

TAM – Táxi Aéreo Marília and TAM – Transportes Aéreos Regionais were two different entities, although both belonged to the TAM Group. TAM – Marília, an air taxi company founded in 1961, provided the start-up infrastructure for TAM – Regionais.

On November 11, 1975, the Government of Brazil created the Brazilian Integrated System of Regional Air Transportation and divided the country in five different regions, for which five newly created regional airlines received a concession to operate air services. Founded by Rolim Adolfo Amaro[11]TAM – Transportes Aéreos Regionais S/A was the third of those regional airlines to be made operational. Its services started on July 12, 1976, and its operational area comprised parts of the Southeast and Central West regions of Brazil, specifically the states of Mato Grosso do Sul, and parts of Mato Grosso, and São Paulo plus the possibility of serving the cities of Cuiabá, Rio de Janeiro, Londrina, Maringá and Brasília when linking them to its area of concession.[12]

TAM – Linhas Aéreas Regionais was formed as a joint-venture between TAM – Táxi Aéreo Marília and VASP, the latter of which was then a state-owned airline. The airline received the IATA code KK[13] on October 13, 1999. The new airline flew Embraer EMB 110 Bandeirantes at first, but these proved grossly inadequate for the task at hand, and even at full capacity needed to be subsidized by the government in order to be profitable.

TAM went on to purchase three used Fokker F27 turboprops, which were subsequently refurbished by Fokker in the Netherlands. In order to obtain the import authorization for the aircraft, a deal was struck with the government in which TAM was forced to maintain 3 Bandeirantes for every F27, as well as removing 5 seats from each one, bringing the F27's capacity down to 40 passengers. A fourth F27, previously owned by Air New Zealand, was added to the TAM fleet in 1981. By 1983, TAM had acquired 10 F27s. By 1981, TAM had flown one million passengers, and two million by 1984.

In August 1986, the company, under financial stress, went public and began floating stock in the market. The same year, TAM – Transportes Aéreos Regionais (KK) acquired another regional airline, VOTEC, which operated in areas of northern and central Brazil. VOTEC was then renamed Brasil Central Linhas Aéreas. TAM and Brasil Central were both regional airlines and operated in different designated areas. They however operated as a consortium with integrated networks and fleet, with the most notable differences being the flight number IATA codes (whereas TAM had the IATA code KK, Brasil Central operated with the code JJ inherited from VOTEC), the different color schemes of the aircraft, and their designated areas of operation. In 1988, TAM flew its 3 millionth passenger.

On May 15, 1990, the Brazilian Government lifted restrictions on operational areas of regional airlines allowing them to fly anywhere in Brazil. As a consequence, Brasil Central was renamed TAM – Transportes Aéreos Meridionais, acquired the same color scheme of TAM (KK) but maintained the IATA code JJ.

In 2000 TAM (KK) was merged into TAM (JJ) and TAM (JJ) was renamed TAM Transportes Aéreos. The code JJ was maintained and the code KK was released back to IATA. It is now used by Atlasjet.

Despite TAM's success in the market, it was evident the airline would not last long when competing against airlines such as Varig and VASP, both of which already possessed Boeing 737s in their fleet. Amaro then tried to buy VASP, which was about to be privatized, and called the project "Revolution". Having lost the bid, he opted for slower growth with a gradual addition of new aircraft, re-dubbed "Evolution".

On September 15, 1989, TAM arranged for the acquisition of two Fokker 100 jets, which had originally been ordered by the now-bankrupt Pan American World Airways. Like the F27s before them, TAM did not actually purchase these aircraft, but used Amaro's credibility to arrange for a third-party asset management company, Guinness Peat Aviation to purchase them and subsequently lease them back to TAM. Two more were added in 1991. In 1992, TAM carried its eight millionth passenger. By 1993, through the use of the Fokker 100 fleet, which now numbered at 14, TAM was serving 56 cities in Brazil.

In 1996 TAM bought another airline, Helisul Linhas Aéreas, which used the trade name of TAM. In 1997, TAM ordered its first large jets; the airline ordered 45 planes from Airbus, including 10 A330s, 4 A319s, and 34 A320s. In 1997, the Airbuses began to be delivered and the airline flew its first international service, from São Paulo to Miami International Airport.

Two years later, in 1999, services to Europe were inaugurated through a code share service with Air France, to Paris-Charles de Gaulle Airport. In 2000, the airline was renamed TAM Linhas Aéreas in Portuguese. Long running discussions to merge with Varig ended in 2004. In 2008, TAM transported 30,144,000 passengers, with an average load factor of 71%.[14] As of 2010, the airline is owned by the Amaro family (46.25%), Amaro Aviation Part (3.52%), treasury stocks (0.27%) and minority shareholders (49.96%). It employs 24,000 staff.[14] On May 13, 2010, TAM became the 27th member of Star Alliance.[15]

In 2009 TAM decided to replace its Passenger Service System provided by Sabre, known as Sabresonic, with the Altéa platform from Amadeus.[16] The migration to Altéa was completed in the first quarter of 2010.[17]

On March 30, 2011, TAM signed a letter of intentions to purchase up to 31% of the shares of TRIP Linhas Aéreas, a regional airline which code-shares with TAM since 2004.[18] A final decision had however been postponed,[19] and finally in February 2012 the purchase agreement was not renewed. On May 28, 2012, TRIP was sold to Azul Brazilian Airlines.[20] Code-sharing operations ended on March 28, 2013.[21]

On December 21, 2009, TAM Airlines purchased Pantanal Linhas Aéreas. At that time TAM decided to maintain Pantanal as a separate airline within the TAM Group integrated into the network of TAM.[22] Starting August 1, 2011 Pantanal operated flights on behalf of TAM, all with origin and destination at São-Paulo-Congonhas Airport. On March 26, 2013 Brazilian authorities approved the incorporation of all Pantanal assets by TAM and Pantanal ceased to exist.[23] The incorporation process was completed on August 23, 2013.[24]

In January 2013, the Jet Airliner Crash Data Evaluation Centre (JACDEC) determined that TAM Airlines had the second worst safety record in the world. The ratings take into account the number and deadliness of the hull losses (destroyed airplanes) they have suffered in the past 30 years, how they have fared more recently, and how many flights they have flown without incident. The results do not take into account the cause of the hull losses, or whether the airline is at fault, so they are not a perfect measure of how safely an airline behaves.[25]

On August 13, 2010, TAM signed a non-binding agreement with Chilean airline LAN Airlines to merge and create LATAM Airlines Group.[26] This was changed into a binding agreement on January 19, 2011.[27] Latam agreement was approved with 11 restrictions by Chilean authorities on September 21, 2011. These included transferring 4 slots at São Paulo-Guarulhos to competitors interested in operating flights to Santiago de Chile, renouncing membership to either Oneworld or Star Alliance, restricting increase capacity on flights between Brazil and Chile, and opening code-share possibilities and fidelity program membership to interested competitors.[28] On December 14, 2011, Brazilian authorities approved the agreement imposing similar restrictions as Chilean authorities. By August 2012 LATAM made a decision in favor of Oneworld and frequencies between São Paulo and Santiago de Chile were reduced: TAM had two pairs of slots while LAN had four. LAN ceded two pairs to competitors interested in using them which later was known to be Sky Airline.[29] The merger was completed on June 22, 2012.[5]

In 1994 TAM Airlines established a small subsidiary airline in Paraguay called ARPA - Aerolíneas Paraguayas with a fleet consisting mostly of Cessna 208 Caravan aircraft, formerly operated by TAM. On September 1, 1996, TAM via ARPA, purchased 80% of the shares of the former state-owned LAP – Líneas Aéreas Paraguayas and merged it with ARPA. The new airline was named TAM – Transportes Aéreos del Mercosur and maintained the IATA code of LAP, PZ. Today TAM owns 94.98% and the Paraguayan government 5.02% of the shares.

In 2008, following a branding strategy, the name TAM Mercosur was dropped and the airline adopted an identical corporate identity of TAM Airlines. However, its corporate structure remains the same.[30] This airline is today informally known as TAM Paraguay, and uses the IATA code PZ.

The network of TAM Group (composed of TAM Airlines, and TAM Paraguay) covers Brazil, Paraguay, Europe, North and South America.

Furthermore, TAM Airlines maintains code-share agreements for international destinations with Oneworld partners and a few other selected airlines, mostly former Star Alliance partners and Aeroméxico.[31][32]

On June 16, 2005, TAM purchased 20 additional Airbus A320 family aircraft (including the A319, A320 and A321), with an additional 20 options. These are expected to be delivered between late 2007 and 2010, adding to the already scheduled delivery of 6 A320s between 2006 and 2008. At the same time, the company signed a memorandum of understanding with Airbus stating its intent to buy 10 of the new Airbus A350-900 (plus 5 options), with deliveries due to commence at the end of 2014. These are expected to replace the A330 on the Paris and Miami routes as they become available.[citation needed]

TAM has signed a firm contract with Airbus to acquire 37 additional aircraft. The order comprises twelve A319s, 16 A320s, three A321s and three A330s and includes twelve unspecified extra options. This would bring the number of aircraft in TAM's fleet acquired directly from Airbus to 115 aircraft.[33] The commitments are separate from deals in earlier years for 29 firm-ordered A320s and 20 options. The deliveries are to be concluded by 2010.

In 2013, TAM announced the phase out of the 3 Boeing 767 it operates, but it later changed plans and decided to keep the aircraft and bring 6 more newer aircraft from LAN Airlines. They will replace older A330-200. TAM will also receive the first aircraft of the A320 family with Sharklets in April 2013. TAM will also receive 10 more Airbus A321 in the ends in March 2015. Plane will be ferried from Stockholm to Brasilia at the same time.[citation needed]

TAM Fidelidade(TAM Loyalty) is the frequent flyer program of TAM Airlines. Program points can be redeemed for tickets on TAM, Oneworld airlines and other selected partners. It is divided into the following categories and percentages of mileage accrual:[43]

Card Type

Oneworld Status

Points Needed / Year

Economy class

Business class

First class

WHITE

—

—

100% (100%)

150% (150%)

200% (200%)

BLUE

Ruby

15,000

100% + 25% (125%)

150% + 25% (175%)

200% + 25% (225%)

RED

Sapphire

50,000

100% + 75% (175%)

150% + 75% (225%)

200% + 75% (275%)

RED PLUS

Emerald

100,000

100% + 100% (200%)

150% + 100% (250%)

200% + 100% (300%)

BLACK

Emerald

150,000

100% + 100% (200%)

150% + 100% (250%)

200% + 100% (300%)

Actual points accrual vary according to the fare basis of the ticket. Figures in the table are for full fares.

To achieve BLACK status, only points flown with TAM Airlines, LAN Airlines and their subsidiaries are taken into account.

On February 12, 1990: a Fokker F27 registration PT-LCG operating a flight from São Paulo-Congonhas to Bauru, due to faulty approach procedures touched down at Bauru 775 m past the runway threshold. The pilot was unable to initiate a go-around procedure and went past the end of the runway, hitting a car that was passing on a road nearby. One crew member and two occupants of the car died.[50]

On July 9, 1997, a Fokker 100 registration PT-WHK operating flight 283 en route from São José dos Campos to São Paulo-Congonhas. The aircraft was climbing after take-off from São José dos Campos when a bomb exploded in the rear part of the passenger cabin. The uncontrolled decompression blew one passenger out of the aircraft. The aircraft made a successful emergency landing in São Paulo, despite the hole in the fuselage. The aircraft was repaired and returned to service.[53]

On September 15, 2001, a Fokker 100 registration PT-MRN operating the charter flight 9755, flying from Recife to São Paulo-Congonhas via Campinas-Viracopos, following an uncontrolled engine failure en route to Campinas had 3 cabin windows shattered by fragments of the engine and made an emergency landing at Belo Horizonte-Confins. One passenger was sucked out partly and held by another passenger until the aircraft landed. The passenger did not survive though.[54][55]

On July 17, 2007, an Airbus A320 registration PR-MBK operating flight 3054 from Porto Alegre to São Paulo-Congonhas overran the runway while landing at Congonhas, crossed a major thoroughfare and impacted against a TAM Express warehouse. All 186 passengers and crew perished, as did 13 people on the ground.[56]

Multiplus Fidelidade is the customer loyalty network.[57] On November 8, 2011, Multiplus and the Canadian company Aimia, administrator of Aeroplan, the loyalty program of Air Canada, established a joint-venture to create in Brazil a third company that would administer loyalty schemes of other companies.[58]